syzkaller login: [ 43.625110] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:56682' (ECDSA) to the list of known hosts. 2023/05/18 10:41:17 fuzzer started 2023/05/18 10:41:18 dialing manager at localhost:44319 2023/05/18 10:41:18 checking machine... 2023/05/18 10:41:18 checking revisions... [ 44.738701] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:41:18 testing simple program... [ 44.807523] cgroup: Unknown subsys name 'net' [ 44.888918] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.550204] audit: type=1400 audit(1684406491.109:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 58.654573] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.656145] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.658147] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.662235] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.664188] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.665588] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.072772] ------------[ cut here ]------------ [ 59.073423] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.075425] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.076626] Modules linked in: [ 59.077039] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.081652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.082668] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.083302] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 59.085432] RSP: 0018:ffff88801f607c00 EFLAGS: 00010282 [ 59.086110] RAX: 0000000000000000 RBX: ffff88801602cc40 RCX: 0000000000000000 [ 59.086983] RDX: ffff888019ccd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.087858] RBP: ffff88801602cc54 R08: 0000000000000001 R09: 0000000000000000 [ 59.088728] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.089605] R13: ffffffff84e23fe0 R14: ffff88801602cc48 R15: ffffffff84d74dc0 [ 59.090475] FS: 0000555556556400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.091458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.092180] CR2: 00005585f9fce50c CR3: 0000000015b32000 CR4: 0000000000350ef0 [ 59.093063] Call Trace: [ 59.093387] [ 59.093713] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.094341] ipv4_frags_init_net+0x269/0x440 [ 59.094925] ops_init+0xbb/0x6b0 [ 59.095372] setup_net+0x3d9/0x990 [ 59.095857] ? down_read_killable+0x1d7/0x4e0 [ 59.096416] ? __pfx_setup_net+0x10/0x10 [ 59.096949] ? copy_net_ns+0x17c/0x770 [ 59.097450] copy_net_ns+0x321/0x770 [ 59.097959] create_new_namespaces+0x3f6/0xb30 [ 59.098595] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.099199] ksys_unshare+0x44d/0x8e0 [ 59.099707] ? __pfx_ksys_unshare+0x10/0x10 [ 59.100246] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.100968] __x64_sys_unshare+0x31/0x40 [ 59.101475] do_syscall_64+0x3f/0x90 [ 59.101972] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.102643] RIP: 0033:0x7fd30fd870d7 [ 59.103096] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 59.105234] RSP: 002b:00007ffea4b550f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.106164] RAX: ffffffffffffffda RBX: 00007ffea4b55738 RCX: 00007fd30fd870d7 [ 59.107025] RDX: 00007fd30fdf141f RSI: 00007ffea4b55090 RDI: 0000000040000000 [ 59.107888] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea4b54ea0 [ 59.108765] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd30fe99bf0 [ 59.109623] R13: 00007ffea4b551d0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.110504] [ 59.110826] irq event stamp: 7989 [ 59.111248] hardirqs last enabled at (7999): [] __up_console_sem+0x78/0x80 [ 59.112288] hardirqs last disabled at (8010): [] __up_console_sem+0x5d/0x80 [ 59.113331] softirqs last enabled at (7784): [] irq_exit_rcu+0x93/0xc0 [ 59.114353] softirqs last disabled at (7779): [] irq_exit_rcu+0x93/0xc0 [ 59.115357] ---[ end trace 0000000000000000 ]--- [ 59.120774] ------------[ cut here ]------------ [ 59.121353] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.122980] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.124022] Modules linked in: [ 59.124420] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.125566] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.126576] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.127212] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 59.129334] RSP: 0018:ffff88801f607c00 EFLAGS: 00010282 [ 59.130011] RAX: 0000000000000000 RBX: ffff888009459a40 RCX: 0000000000000000 [ 59.130905] RDX: ffff888019ccd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.131778] RBP: ffff888009459a54 R08: 0000000000000001 R09: 0000000000000000 [ 59.132665] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.133515] R13: ffffffff84e23fe0 R14: ffff888009459a48 R15: ffffffff84da7d60 [ 59.134397] FS: 0000555556556400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.135376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.136102] CR2: 00005585f9fce50c CR3: 0000000015b32000 CR4: 0000000000350ef0 [ 59.136981] Call Trace: [ 59.137303] [ 59.137623] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.138239] ipv6_frags_init_net+0x206/0x3c0 [ 59.138823] ops_init+0xbb/0x6b0 [ 59.139264] setup_net+0x3d9/0x990 [ 59.139748] ? down_read_killable+0x1d7/0x4e0 [ 59.140314] ? __pfx_setup_net+0x10/0x10 [ 59.140848] ? copy_net_ns+0x17c/0x770 [ 59.141351] copy_net_ns+0x321/0x770 [ 59.141856] create_new_namespaces+0x3f6/0xb30 [ 59.142449] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.143085] ksys_unshare+0x44d/0x8e0 [ 59.143598] ? __pfx_ksys_unshare+0x10/0x10 [ 59.144139] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.144870] __x64_sys_unshare+0x31/0x40 [ 59.145380] do_syscall_64+0x3f/0x90 [ 59.145878] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.146526] RIP: 0033:0x7fd30fd870d7 [ 59.147013] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 59.149152] RSP: 002b:00007ffea4b550f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.150110] RAX: ffffffffffffffda RBX: 00007ffea4b55738 RCX: 00007fd30fd870d7 [ 59.150987] RDX: 00007fd30fdf141f RSI: 00007ffea4b55090 RDI: 0000000040000000 [ 59.151860] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea4b54ea0 [ 59.152740] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd30fe99bf0 [ 59.153613] R13: 00007ffea4b551d0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.154484] [ 59.154809] irq event stamp: 9837 [ 59.155230] hardirqs last enabled at (9847): [] __up_console_sem+0x78/0x80 [ 59.156273] hardirqs last disabled at (9858): [] __up_console_sem+0x5d/0x80 [ 59.157316] softirqs last enabled at (9280): [] irq_exit_rcu+0x93/0xc0 [ 59.158346] softirqs last disabled at (9235): [] irq_exit_rcu+0x93/0xc0 [ 59.159353] ---[ end trace 0000000000000000 ]--- [ 59.160705] ------------[ cut here ]------------ [ 59.161283] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.163231] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.164297] Modules linked in: [ 59.164739] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.165870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.166880] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.167517] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 59.169684] RSP: 0018:ffff88801f607bf0 EFLAGS: 00010286 [ 59.170339] RAX: 0000000000000000 RBX: ffff888009459640 RCX: 0000000000000000 [ 59.171204] RDX: ffff888019ccd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.172077] RBP: ffff888009459654 R08: 0000000000000001 R09: 0000000000000000 [ 59.172946] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.173806] R13: ffffffff84e23fe0 R14: ffff888009459648 R15: ffffffff84db0aa0 [ 59.174692] FS: 0000555556556400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.175666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.176353] CR2: 00005585f9fce50c CR3: 0000000015b32000 CR4: 0000000000350ef0 [ 59.177230] Call Trace: [ 59.177578] [ 59.177878] nf_ct_net_init+0x224/0x3d0 [ 59.178395] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.178995] ops_init+0xbb/0x6b0 [ 59.179442] setup_net+0x3d9/0x990 [ 59.179921] ? down_read_killable+0x1d7/0x4e0 [ 59.180486] ? __pfx_setup_net+0x10/0x10 [ 59.181016] ? copy_net_ns+0x17c/0x770 [ 59.181515] copy_net_ns+0x321/0x770 [ 59.182022] create_new_namespaces+0x3f6/0xb30 [ 59.182662] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.183268] ksys_unshare+0x44d/0x8e0 [ 59.183790] ? __pfx_ksys_unshare+0x10/0x10 [ 59.184330] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.185065] __x64_sys_unshare+0x31/0x40 [ 59.185607] do_syscall_64+0x3f/0x90 [ 59.186088] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.186762] RIP: 0033:0x7fd30fd870d7 [ 59.187218] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 59.189367] RSP: 002b:00007ffea4b550f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.190359] RAX: ffffffffffffffda RBX: 00007ffea4b55738 RCX: 00007fd30fd870d7 [ 59.191241] RDX: 00007fd30fdf141f RSI: 00007ffea4b55090 RDI: 0000000040000000 [ 59.192118] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea4b54ea0 [ 59.193004] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd30fe99bf0 [ 59.193883] R13: 00007ffea4b551d0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.194809] [ 59.195109] irq event stamp: 10667 [ 59.195564] hardirqs last enabled at (10679): [] __up_console_sem+0x78/0x80 [ 59.196612] hardirqs last disabled at (10690): [] __up_console_sem+0x5d/0x80 [ 59.197664] softirqs last enabled at (10616): [] irq_exit_rcu+0x93/0xc0 [ 59.198709] softirqs last disabled at (10609): [] irq_exit_rcu+0x93/0xc0 [ 59.199737] ---[ end trace 0000000000000000 ]--- executing program [ 60.739065] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.786902] Bluetooth: hci0: command 0x041b tx timeout [ 64.834655] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.882674] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:41:31 Registers: info registers vcpu 0 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f6075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556556400 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005585f9fce50c CR3=0000000015b32000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=7465677261742e79636e656772656d65 XMM02=ffffffffffffff0f0e0d0c0b0a090807 XMM03=00000000000000210065636976726573 XMM04=2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e2e XMM05=00000000000000000000000000000000 XMM06=697665642e3130323a306963682d3069 XMM07=00000000000000000000000000000000 XMM08=00000000000000500000000000000100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88806cf396c0 RCX=1ffff11001c3d48a RDX=1ffff11001c3d508 RSI=ffff8880159d9bc0 RDI=ffff88800e1ea840 RBP=ffff888016c35240 RSP=ffff8880169279b0 R8 =ffff88800e1ea800 R9 =ffff888016c352b8 R10=ffffffff85d35a17 R11=0000000000000001 R12=ffff888016c351c0 R13=ffff88800e1ea800 R14=ffff8880159d9bc0 R15=ffff88800e1ea800 RIP=ffffffff8125c50f RFL=00000082 [--S----] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f34dffc9900 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9a2cd14550 CR3=000000000caf2000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=000000000000000000000000ff000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=25203a646672656d6974206574616572 XMM09=00000000000000000000000000000000 XMM10=20000000200000002000000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000